Frank j



(No Model.)

P. J. BARNARD.

MAGNETIC SEPARATOR.

No. 560,184. Patented May 19, 1896.

UNITED STATES PATENT OEEIcE.

FRANK J. BARNARD, OF SEATTLE, WASHINGTON, ASSIGNOR OF TVO-THIRDS TO JOHN CHARLES MOORE AND JOHN DETIVILER ATKINSON, OF SAME PLACE.

MAGNETIC SEPARATOR.

SPECIFICATION forming' part of Letters Patent No. 560,184, dated May 19,1896.

Application filed September 10, 1895. Serial No. 562,108. (No model.)

To @ZZ whom t may concern: and traveling on the tracks. This conveyer Beit known that I, FRANK J. BARNARD, a I is formed of copper or othernon-magnetic citizen of the United States, residing at Seatsubstancesand is provided on its under face, tlc, in the county of King and Stateof lVashpreferably,with serrations or strips,although,

5 ington, have invented certain new and useif preferred, the under facemay be smooth. 5o

ful Improvements in Magnetic Separators, of K represents a crank mountedin suitable which the following is a specification. journals, and L apulley secured onto the axle My invention relates to a device forsepathereof, by which the crank is turned, and rating magnetic particlesor substances from any suitable means (not shown) may be emro mixedmasses of magnetic and non-magnetic ployed Jfor driving the crank. Mrepresents 55 particles by the action of a magnet or maga pitman-rodconnecting the convcyer to the netized plate located over a sluicethrough crank. which the mixed mass is passed. The operation of mydevice is as follows: My invention consists of a series of mag- Themagnetic and non-magnetic particles are 15 nets or a magnetized platelocated above a carried through the sluice bythe water pass- 6onon-magnetic base or conveyer-plate, which ing therethrough, and as itcomes under the is reciprocated by any suitable means over a .magnetsthe magnetic particles are attracted sluice; and my invention furtherconsists of onto the conveyer-plaie and as it is reciprocertain detailsof construction that will be cated over the sluice the particles areconzo hereinafter described, and pointed outin the veyed to either sideof the sluice, where, af- 65 claims. ter moving out of the magneticfield, they In order that my invention may be fully drop by their ownweight. understood, I will proceed to describe the Having thus describedmy invention, the same with reference to the accompanying following iswhat I claim as new therein and 25 drawing, which shows a perspectiveview of desire to secure by Letters Patent: 7o

my device. l. In a magnetic separator, the combina- In the said drawing,Arepresents a sluice, tion or' a sluice, a'magnet located over saidthrough which water carries the mass of magsluice, a conveyer-plateformed of non-magnetic and non-magnetic particles, and B repneticmaterial located under said magnets and 3o resents a series of magnetswhich may be over the sluice, and suitable means in con- 75 eitherpermanent or electromagnets, or, if denection with the plate forreciprocating it, sired, a magnetized plate may be employed.substantially as shown and described. These magnets are located in asuitable non- 2. In a magnetic separator the combinamagnetic casing C,provided with the perforation of a sluice, a magnet located over said 35 tions D for permitting a free circulation of sluice, and aconveyer-plate formed of non- 8o air through the casing, and the saidcasing C magnetic material located under said magnet is secured to theframe E. This frame E, as and over the sluice, strips or serrations ofwill be seen, is adjustably secured to the non-magnetic material locatedon said plate, frame F. This is to permit the adjustments and suitablemeans in connection with the 4o of the magnets nearer to or away from orat plate for reciprocating it over the sluice, sub- 8 5 an angle to theconveyer G, according to the stantially as shown and described.

strength of attraction desired. FRANK J. BARNARD.

II represents tracks located under the caslllitnesses: ing C and passingover the sluice A, and I CHARLES L. DARsT,

45 represents a conveyer mounted on rollers J JUDSON P. IVILSON.

